Blender base



FIG. 1 is a front perspective view of a blender base showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The broken line showing of various elements of the blender base and the entire blender jar is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a blender base, as shown and described. 